Cita APA (7a ed.)

Das, B. (1997). Differential calculus. U.N. Dhur.

Cita Chicago Style (17a ed.)

Das, B.C. Differential Calculus. Calcutta: U.N. Dhur, 1997.

Cita MLA (9a ed.)

Das, B.C. Differential Calculus. U.N. Dhur, 1997.